Series Rick Riordan Standalone Novels

Standalone Novels #2 by Rick Riordan Daughter of the Deep is a 2021 book by Rick Riordan. It stands as an individual title in the author’s bibliography. Check Price on Amazon

Standalone Novels #1 by Rick Riordan Cold Springs is a 2003 book by Rick Riordan. It stands as an individual title in the author’s bibliography. Check Price on Amazon